valiantise

This poet is fond of introducing old French words "to make his English sweet upon his tongue"; _accueillade_, _valiantise_, _faineant_, _allegresse_,

A History of English Romanticism in the Nineteenth Century 1886

'By Allah,' rejoined a third, 'ye will have hard work to get the better of him; for he had not done this, but for what he knew of his own prowess and valiantise.'

The Book of the Thousand Nights and One Night, Volume IV Anonymous 1879